In-vivo kinematic analysis of forearm rotation using helical axis analysis

Tay, Shian Chao; Riet, Roger van; Tomita, Kyoko; Amrami, Kimberly K.; An, Kai Nan; Berger, Richard A.

doi:10.1016/j.clinbiomech.2010.03.010

Cited by 26 publications

(26 citation statements)

References 26 publications

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“…Firstly, the AOR during forearm rotation was not fixed but variable within a small margin. The same findings were also reported by Tay et al 27) and Nakamura et al…”

Section: Discussionsupporting

confidence: 81%

“…The authors believe that the absence of kinematic assessment of mobile disability, on top of simple correction of static modifications, is one reason for surgical failure. According to Tay et al, 27) hitherto research on normal elbow joint kinematics has been carried out by various study methods, in both cadaver and in vivo. The various study methods that have been used to research AOR include the use of position detection devices by Hollister et al, 13) x-ray imaging by Christensen et al, 17) ultrasound and digital technology by Youm et al, 14) computer tomography by Fischer et al, 18) and magnetic resonance imaging (MRI) by Nakamura et al 15) Hollister et al 13) identified through their research, a fixed AOR from the center of the radial head to the ulnar styloid process.…”

Section: Discussionmentioning

confidence: 99%

“…Our effort to co-analyze the static AOR and dynamic AOR stems from this study. 19,27) The current paper, with the use of 3D CT reconstructive technology, investigated the AOR in normal forearm and malunited Monteggia fractures. Firstly, the AOR during forearm rotation was not fixed but variable within a small margin.…”

Section: Discussionmentioning

confidence: 99%

See 2 more Smart Citations

In vivo 3D Kinematics of Axis of Rotation in Malunited Monteggia Fracture Dislocation

Kim

Park

Jeong

et al. 2014

Clin Shoulder Elbow

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Background: Normal elbow joint kinematics has been widely studied in cadaver, whilst in vivo study, especially of the forearm, is rare. Our study analyses, in vivo, the kinematics of normal forearm and of malunited forearm using a three-dimensional computerized simulation system. Methods: We examined 8 patients with malunited Monteggia fracture and 4 controls with normal elbow joint. The ulna and radius were reconstructed from CT data placing the forearm in three different positions; full pronation, neutral, and full supination using computer bone models. We analyzed the axis of rotation 3-dimentionally based on the axes during forearm rotation from full pronation to full supination. Results: Axis of rotation of normal forearm was pitch line, with a mean range of 2 mm, from full pronation to full supination, connecting the radial head center proximally and ulnar fovea distally. In normal forearm, the mean range was 1.32 mm at the proximal radioulnar joint and 1.51 mm at the distal radioulnar joint. However in Monteggia fracture patients, this range changed to 7.65 mm at proximal and 4.99 mm at distal radoulnar joint. Conclusions: During forearm rotation, the axis of rotation was constant in normal elbow joint but unstable in malunited Monteggia fracture patients as seen with radial head instability. Therefore, consideration should be given not only to correcting deformity but also to restoring AOR by 3D kinematics analysis before surgical treatment of such fractures. (Clin Shoulder Elb 2014;17(1):25-30)

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“…Firstly, the AOR during forearm rotation was not fixed but variable within a small margin. The same findings were also reported by Tay et al 27) and Nakamura et al…”

Section: Discussionsupporting

confidence: 81%

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

In vivo 3D Kinematics of Axis of Rotation in Malunited Monteggia Fracture Dislocation

Kim

Park

Jeong

et al. 2014

Clin Shoulder Elbow

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“…Regarding analysis of 3D kinematics, our results indicate the radial head was relatively stable during forearm rotation in Type 1 Monteggia lesions in comparison to the normal forearm [3,14,20,36], although abnormal coronal translation of the radial head occurred by approximately 3 mm. However, the radial head was unstable during rotation in Type 4 Monteggia lesions.…”

Section: Discussionmentioning

confidence: 89%

“…Normally, the radial head in the proximal radioulnar joint is stable during forearm rotation, and the axis of rotation (AOR) passes through the center of the radial head (COR) [3,14,20]. Recent in vivo and three-dimensional (3D) studies revealed the radial head translated minimally (approximately 2 mm) only in the sagittal direction [3,14], and the distance from the COR to the mean AOR (d-R) was minimal (approximately 4 mm) [36]. These analytic techniques are advantageous in terms of noninvasiveness, and they can be used in patients with forearm abnormalities [26].…”

Section: Introductionmentioning

confidence: 99%

In Vivo Three-dimensional Motion Analysis of Chronic Radial Head Dislocations

Miyake

Moritomo

Kataoka

et al. 2012

Clinical Orthopaedics &Amp; Related Research

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Background Forearm kinematics and interosseous membrane function in chronic radial head dislocations sustained in childhood are unknown. Several procedures have been performed to reduce the radial head on the basis of static preoperative assessment in only one forearm position, but clinical results are not always favorable. Questions/purposes We investigated the in vivo threedimensional (3D) kinematics and length changes of interosseous membrane ligaments during forearm rotation in chronic radial head dislocations using 3D CT registration techniques. Methods We examined 10 patients with chronic radial head dislocations (seven Type 1 and three Type 4 Monteggia lesions). To quantify kinematics, the axis of rotation (AOR) and radial head motion were investigated using computer bone models constructed from CT data placing the forearm in three positions. We also created six interosseous membrane ligaments and calculated their 3D lengths during forearm rotation.

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